:root {
  /* Cores principais */
  --bg: #0b0b0b;              /* Fundo escuro principal */
  --bg-alt: #121212;          /* Fundo alternativo para cards */
  --accent: #ffcc00;          /* Amarelo vibrante */
  --accent-hover: #ffb700;    /* Amarelo laranja para hover */
  --accent-2: #ff1e1e;        /* Vermelho vibrante */
  --card-border: #444;        /* Bordas escuras suaves */
  --text-light: #f5f5f5;      /* Texto claro */
  --text-muted: #bbb;         /* Texto menos destacado */
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
  --card-footer-bg: linear-gradient(90deg, var(--accent-2), var(--accent));
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text-light);
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(255, 204, 0, 0.08), transparent 60%),
    radial-gradient(1000px 500px at 90% 90%, rgba(255, 30, 30, 0.05), transparent 60%),
    var(--bg);
  padding-top: 60px; /* espaço para o header fixo */
  transition: background 0.4s ease;
}

/* Header fixo no topo */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1030;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  box-shadow: var(--shadow);
}

/* Navbar compacto */
.navbar {
  min-height: 50px;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

.navbar-brand {
  line-height: 1.2;
  font-size: 1.5rem;
  color: white !important;
}

.nav-link {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  font-size: 0.85rem;
  color: white !important;
  text-align: center;
}

/* Container */
.container {
  padding-left: 10px;
  padding-right: 10px;
}

/* Centralizar e espaçar itens do menu */
.navbar-collapse {
  justify-content: center !important;
}

.navbar-nav {
  gap: 40px;
  display: flex;
  justify-content: center;
  width: 100%;
}

/* Ícones e texto centralizados */
.nav-item.text-center a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
}

/* Formulário de busca */
form.d-flex {
  margin-top: 0;
  gap: 8px;
  align-items: center;
}

form.d-flex input.form-control {
  padding: 4px 8px;
  font-size: 0.9rem;
  background-color: #222;
  border: 1px solid #444;
  color: var(--text-light);
  border-radius: 4px;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

form.d-flex input.form-control::placeholder {
  color: var(--text-muted);
}

form.d-flex input.form-control:focus {
  box-shadow: 0 0 8px var(--accent);
  border-color: var(--accent);
  outline: none;
}

form.d-flex button.btn {
  padding: 4px 12px;
  font-size: 0.9rem;
  border-radius: 4px;
  border: 1px solid var(--accent);
  background-color: transparent;
  color: var(--accent);
  transition: background-color 0.3s ease, color 0.3s ease;
  cursor: pointer;
}

form.d-flex button.btn:hover {
  background-color: var(--accent);
  color: var(--bg);
}

/* Menu nav com fundo semi-transparente */
nav {
  background-color: rgba(0, 0, 0, 0.4);
}

/* Responsividade */
@media (max-width: 600px) {
  header {
    position: fixed;
    top: 0;
    width: 100%;
  }
  .navbar-nav {
    gap: 15px;
  }
  form.d-flex {
    justify-content: center;
    max-width: 90%;
    margin-top: 10px;
    flex-wrap: wrap;
  }
  form.d-flex input.form-control {
    flex: 1 1 100%;
    margin-bottom: 8px;
  }
  form.d-flex button.btn {
    flex: 1 1 auto;
  }
}

/* Banner */
.banner {
  text-align: center;
  background:
    radial-gradient(circle at center, rgba(255, 204, 0, 0.15), transparent 70%),
    radial-gradient(circle at bottom right, rgba(255, 30, 30, 0.1), transparent 70%),
    url('img/banner-listeners.jpg') no-repeat center/cover;
  padding: 150px 20px;
  min-height: 400px;
  color: var(--accent);
  transition: background 1s ease-in-out;
  margin-top: auto;
}

#bannerText {
  background-color: rgba(0, 0, 0, 0.8);
  padding: 30px;
  transition: opacity 0.5s ease-in-out;
}

@media (max-width: 600px) {
  .banner {
    padding: 80px 10px;
    min-height: 250px;
  }
}

/* Cards gerais */
.container .card {
  background-color: var(--bg-alt);
  color: var(--text-light);
  border-radius: 12px;
  border: 1px solid var(--card-border);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.container .card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.6);
}

.container .card .card-title {
  color: var(--accent);
  font-weight: 700;
}

.container .card .card-text {
  font-size: 0.9rem;
}

.container .card-footer {
  background-color: transparent;
  border-top: 1px solid var(--card-border);
}

.container .card-footer .btn-primary {
  background: var(--accent);
  border: none;
  transition: background 0.3s ease;
}

.container .card-footer .btn-primary:hover {
  background: var(--accent-hover);
}

/* Imagem notícia destaque */
.noticia-img {
  max-height: 250px;
  object-fit: cover;
  border-radius: 10px;
}

/* Card img topo */
.card-img-top {
  height: 180px;
  object-fit: cover;
  border: 1px solid var(--card-border);
  border-radius: 10px 10px 0 0;
}

/* Corpo do card */
.card-body {
  border: 1px solid var(--card-border);
  border-top: none;
  padding: 15px;
}

/* Destaque notícia */
.noticia-destaque-article {
  color: var(--text-light);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
}

.noticia-destaque-article h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--accent);
  text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.noticia-destaque-article p.text-muted {
  margin-bottom: 20px;
}

.noticia-destaque-article p.text-muted span {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent-2) 0%, var(--accent) 100%);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(255,204,0,0.4);
}

.noticia-destaque-article p {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.noticia-destaque-article p strong {
  color: var(--accent);
  font-weight: 700;
}

.noticia-destaque-article p em {
  font-style: italic;
  color: var(--accent-2);
}

/* Player controls */
.player-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

/* Progress bar */
.progress-container {
  margin-top: 8px;
}

.progress-bar {
  width: 100%;
  cursor: pointer;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: #444;
  outline: none;
  transition: background 0.3s ease;
}

.progress-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
  margin-top: -4px;
  transition: background 0.3s ease;
}

.progress-bar::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.progress-bar:hover {
  background: #666;
}

.progress-bar::-webkit-slider-thumb:hover {
  background: var(--accent-2);
}

/* Footer */
.footer {
  background-color: var(--bg);
  color: var(--text-light);
  padding: 40px 0;
  border-top: 2px solid #2a2a2a;
  font-family: Arial, Helvetica, sans-serif;
}

.footer h5 {
  color: var(--accent);
  margin-bottom: 15px;
  font-weight: bold;
  font-size: 1.25rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
  font-size: 1rem;
}

.footer-links a:hover {
  color: var(--accent-2);
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.social-icons a {
  color: var(--text-light);
  font-size: 24px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.social-icons a:hover {
  color: var(--accent);
  transform: scale(1.1);
}

/* Responsividade footer */
@media (max-width: 768px) {
  .footer .row {
    flex-direction: column;
    gap: 30px;
  }

  .footer .col-md-6,
  .footer .col-md-4 {
    flex: 1 1 100%;
  }
}